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Etiqueta: Segunda Internacional
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Stanford: Stanford University Press, 1966.
Eric Hass. The Socialist Labor Party and the Internationals.
Nueva York: New York Labor News Company, 1949.
Karl Kautsky. Parlamentarismo y democracia.
Madrid: Editora Nacional, 1982.
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Eduard Bernstein. The Preconditions of Socialism.
Cambridge/Nueva York: Cambridge University Press, 1993.